The reason why Yamaha pianos are considered to be "lesser quality" is that Yamaha cared more about mass production than quality.
Yamaha is a Japanese brand that engages in mass production so as to make more sales at a cheaper price.
This has led to their pianos being of lower quality than European pianos because their mass produced nature means that less attention was paid to them.
Find out more on mass production at https://brainly.com/question/17957537.
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